title: Low-platinum-content quaternary PtCuCoNi nanotubes with markedly enhanced oxygen reduction activity.
authors.affiliation: Max Planck Institute of Microstructure Physics, Halle, Saale, Germany. liulif@mpi-halle.de
authors.forename: Lifeng
authors.initials: L
authors.lastname: Liu
authors.forename: Eckhard
authors.initials: E
authors.lastname: Pippel